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 Technology Questions

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Q:

Difference between transparent tables and pooled tables

Answer

Transparent tables: Transparent tables in the dictionary has a one-to-one relation with the table in database. Its structure corresponds to single database field. Table in the database has the same name as in the dictionary. Transparent table holds application data.



Pooled tables: Pooled tables in the dictionary has a many-to-one relation with the table in database. Table in the database has the different name as in the dictionary. Pooled table are stored in table pool at the database level.

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Subject: ABAP

0 2417
Q:

Which function would you use to insert a record into a database?

Answer

The dba_insert() function adds a record to a database.

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Subject: PHP

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Q:

What is the advantage of using ADO?

Answer

ADO or Active X Data objects, allows developers to create applications that can interoperate well with other data application services.

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Subject: Microsoft Interview

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Q:

We can modify an existing Company from

A) Company Info > Alter B) Gateway of Tally > Modify Company
C) Company Info > Alter Company D) All of the above
 
Answer & Explanation Answer: A) Company Info > Alter

Explanation:
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Filed Under: SQL
Job Role: Analyst , Database Administration , IT Trainer

1 2413
Q:

Are objects passed by value or by reference?

Answer Everything is passed by value.
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Subject: PHP

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Q:

How can record locking be achieved in those DB2 versions which do not support it?

Answer

It can be done by setting the record length’s size to more than half of the page’s size.

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Subject: Mainframe Interview

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Q:

I do not want my class to be inherited by any other class. What should i do?

Answer You should declared your class as final. But you can't define your class as final, if it is an abstract class. A class declared as final can't be extended by any other class.
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Subject: Java

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Q:

why protected modifier?

Answer

Outside the package if any other class other than JVM calls the finalize method our class then it is not allowed

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Subject: Java

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